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Unaudited Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Pre-Funded Warrants
At-the-market Offering
Common Stock $0.001 Par Value
Common Stock $0.001 Par Value
Pre-Funded Warrants
Common Stock $0.001 Par Value
At-the-market Offering
Additional Paid-in Capital
Additional Paid-in Capital
At-the-market Offering
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Treasury Stock
Balance at Dec. 31, 2023 $ 32,771     $ 10     $ 453,565   $ 6 $ (418,292) $ (2,518)
Balance (in Shares) at Dec. 31, 2023       9,465,949              
Balance (in Shares) at Dec. 31, 2023                     (279,792)
Proceeds from issuance of common stock in connection with at-the-market offering, net of issuance costs     $ 13         $ 13      
Proceeds from issuance of common stock in connection with at-the-market offering, net of issuance costs, Shares           7,839          
Issuance of restricted stock, shares       362,700              
Exercise of options 152 $ 2     $ 2   152        
Exercise of options, shares       82,293 2,251,000            
Cancellation of restricted stock       (193,880)              
Equity-based compensation expense 2,821           2,821        
Unrealized gain (loss) on securities (6)               (6)    
Net income (loss) (22,645)                 (22,645)  
Balance at Sep. 30, 2024 13,108     $ 12     456,551   0 (440,937) $ (2,518)
Balance (in Shares) at Sep. 30, 2024       11,975,901              
Balance (in Shares) at Sep. 30, 2024                     (279,792)
Balance at Jun. 30, 2024 13,124     $ 12     456,450   0 (440,820) $ (2,518)
Balance (in Shares) at Jun. 30, 2024       11,978,781              
Balance (in Shares) at Jun. 30, 2024                     (279,792)
Cancellation of restricted stock       (2,880)              
Equity-based compensation expense 101           101        
Unrealized gain (loss) on securities 0                    
Net income (loss) (117)                 (117)  
Balance at Sep. 30, 2024 13,108     $ 12     456,551   0 (440,937) $ (2,518)
Balance (in Shares) at Sep. 30, 2024       11,975,901              
Balance (in Shares) at Sep. 30, 2024                     (279,792)
Balance at Dec. 31, 2024 12,751     $ 12     456,908   0 (441,651) $ (2,518)
Balance (in Shares) at Dec. 31, 2024       11,975,901              
Balance (in Shares) at Dec. 31, 2024                     (279,792)
Issuance of restricted stock, shares       30,000              
Cancellation of restricted stock       (27,190)              
Equity-based compensation expense 87           87        
Unrealized gain (loss) on securities 0                    
Net income (loss) (2,513)                 (2,513)  
Balance at Sep. 30, 2025 10,325     $ 12     456,995   0 (444,164) $ (2,518)
Balance (in Shares) at Sep. 30, 2025       11,978,711              
Balance (in Shares) at Sep. 30, 2025                     (279,792)
Balance at Jun. 30, 2025 12,593     $ 12     456,962   0 (441,863) $ (2,518)
Balance (in Shares) at Jun. 30, 2025       11,978,711              
Balance (in Shares) at Jun. 30, 2025                     (279,792)
Equity-based compensation expense 33           33        
Unrealized gain (loss) on securities 0                    
Net income (loss) (2,301)                 (2,301)  
Balance at Sep. 30, 2025 $ 10,325     $ 12     $ 456,995   $ 0 $ (444,164) $ (2,518)
Balance (in Shares) at Sep. 30, 2025       11,978,711              
Balance (in Shares) at Sep. 30, 2025                     (279,792)